期刊
JOURNAL OF POLYMER SCIENCE
卷 60, 期 11, 页码 1670-1699出版社
WILEY
DOI: 10.1002/pol.20220110
关键词
elasticity; mechanical characterization; microcapsules; microfluidics; microparticles
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2020R1C1C1004642, 2019K1A4A7A02113715, 2021R1A4A1021972]
- Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI) - Ministry of Health & Welfare, Republic of Korea [HP20C0006]
- National Research Foundation of Korea [2020R1C1C1004642, 2021R1A4A1021972] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Droplet microfluidics is a promising approach for preparing microparticles with tailored structure and composition. The mechanical properties of soft microparticles play a crucial role in their applications, making it necessary to accurately characterize their elastic properties. This review discusses the mechanical characterization methods of soft microparticles and their role in various applications, such as microcarrier, bioink, and self-healing.
Droplet microfluidics is one of the most promising approaches that allows preparation of microparticles with tailored structure and composition. Various functional microparticles have been developed using microfluidics, where their controlled structure shows high potential for a wide range of applications. Among these, soft polymeric microparticles which exhibit low elastic modulus compared to ceramics and metals are extensively investigated in biomedical applications due to their biocompatibility, high surface-to-volume ratio, as well as soft and deformable nature. As the mechanical properties of soft microparticles play important role in determining how they function in each application, it is essential to adequately characterize them for the optimal design of functional microparticles. In this review, we mainly discuss the mechanical characterization methods of soft microparticles and their elastic property. A brief overview of the droplet microfluidics-assisted fabrication of microparticles is also provided before discussing the mechanical characterization techniques. We then describe the general characterization methods and models employed to determine the elastic properties of microparticles. In addition, we discuss the relationship between the physical parameters (size, composition, and structure) and the elastic properties of the microparticles, followed by the role of elastic properties in various applications including microcarrier, bioink, and self-healing to name a few.
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